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| 1. |  | VERRUMA, A. A.; MARTINELLI, P. R. P.; RABELLO, L. M.; INAMASU, R. Y.; BERNARDI, A. C. C. Uso de ferramentas de agricultura de precisão para controle de plantas daninhas e estimativas do custo de produção de cana-de-açúcar. In: SIMPÓSIO NACIONAL DE INSTRUMENTAÇÃO AGROPECUÁRIA, 2014, São Carlos, SP Anais do SIAGRO: ciência, inovação e mercado 2014. São Carlos, SP: Embrapa Instrumentação, 2014. p. 77-80. Editores: Carlos Manoel Pedro Vaz, Débora Marcondes Bastos Pereira Milori, Silvio Crestana.| Biblioteca(s): Embrapa Instrumentação; Embrapa Pecuária Sudeste. |
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| 2. | | VERRUMA, A. A.; MARTINELLI, P. R. P.; RABELLO, L. M.; INAMASU, R. Y.; SANTOS, K. E. L.; BETTIOL, G. M.; BERNARDI, A. C. de C. Soil and weed occurrence mapping and estimates of sugarcane production cost. Brazilian Journal of Biosystems Engineering, v. 11, n. 1, p. 68-78, 2017.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 3 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
03/09/2014 |
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Data da última atualização: |
03/09/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
LENGOWSKI, E. C.; NISGOSKI, S.; OLIVEIRA, V. T. de; BOLZÓN DE MUÑIZ, G. I.; MAGALHAES, W. L. E.; SATYANARAYANA, K. G. |
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Afiliação: |
Elaine C. Lengowski, UFPR; Silvana Nisgoski, UFPR; Valcineide Tanobe de Oliveira, PUC-PR; GRACIELA INÊS BOLZÓN DE MUÑIZ, UFPR; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF; Kestur G. Satyanarayana, Pesquisador visitante da Embrapa Florestas. |
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Título: |
Development of composites of highly filled phenol formaldehyde resin: coconut (Cocos nucifera) endocarp particles. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
International Polymer Processing, v. 29, n. 4, p. 477-488, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Considering the growing interest in the development of new materials based on renewable materials, this paper presents the results of experiments carried out with high content (80 to 95%) of coconut endocarp particles in phenol formaldehyde resin for the development of composite material by compression molding. The morphology of the particles and chemical composition and thermal stability of both the particles and the resin were evaluated. Tensile and flexural properties of the composites exhibited significant improvements with increasing resin content, attributed to good bonding between the resin and the particles and the presence of fewer voids in the composites as well as to the microstructural homogeneity, as corroborated by the fractographic studies. The thermal stability of the composites is influenced by the proportion of particles, while the swelling characteristics are affected by the amount of resin. The results taken together suggest that the developed composite can be used for various applications. |
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Palavras-Chave: |
Caracterização mecânica; Caracterização térmica; Compósito; Material renovável; Mechanical characterization; Moldagem por compressão; Renewable materials; Thermal characterization. |
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Thesaurus NAL: |
compression molding. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01977naa a2200289 a 4500
001 1994101
005 2014-09-03
008 2014 bl uuuu u00u1 u #d
100 1 $aLENGOWSKI, E. C.
245 $aDevelopment of composites of highly filled phenol formaldehyde resin$bcoconut (Cocos nucifera) endocarp particles.$h[electronic resource]
260 $c2014
520 $aConsidering the growing interest in the development of new materials based on renewable materials, this paper presents the results of experiments carried out with high content (80 to 95%) of coconut endocarp particles in phenol formaldehyde resin for the development of composite material by compression molding. The morphology of the particles and chemical composition and thermal stability of both the particles and the resin were evaluated. Tensile and flexural properties of the composites exhibited significant improvements with increasing resin content, attributed to good bonding between the resin and the particles and the presence of fewer voids in the composites as well as to the microstructural homogeneity, as corroborated by the fractographic studies. The thermal stability of the composites is influenced by the proportion of particles, while the swelling characteristics are affected by the amount of resin. The results taken together suggest that the developed composite can be used for various applications.
650 $acompression molding
653 $aCaracterização mecânica
653 $aCaracterização térmica
653 $aCompósito
653 $aMaterial renovável
653 $aMechanical characterization
653 $aMoldagem por compressão
653 $aRenewable materials
653 $aThermal characterization
700 1 $aNISGOSKI, S.
700 1 $aOLIVEIRA, V. T. de
700 1 $aBOLZÓN DE MUÑIZ, G. I.
700 1 $aMAGALHAES, W. L. E.
700 1 $aSATYANARAYANA, K. G.
773 $tInternational Polymer Processing$gv. 29, n. 4, p. 477-488, 2014.
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